Topology information component

Thomas Bourgeauthomas.bourgeau@lip6.fr

Laboratoire LIP6 – CNRSUniversité Pierre et Marie Curie – Paris 6

1st July - OneLab meeting (Sofia)

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Objective of the Topology information component

•Provide information concerning– The underlying network topology (IP/AS-Level)

•Add two additional measurement subcomponents.– Active measurement subcomponent

• Traceroute@home: IP-level route traces

•Improve the monitoring capability – Allows applications to query the topology information

component.• TopHat API

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TopHat: OneLab Topology Information Component

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TopHat registrationIn order to use TopHat, a user has to be register

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TopHat: Server methods API

• TopHat Methods for active Measurement – TopHat methods are defined on D3B.1 and D3B.2

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TopHat and XML-RPC

• Access topology information through TopHat with XML-RPC.– Common library that can be use by several development language as Java, C, perl, python.

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TopHat web services

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TopHat: Get Graph of a day

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TopHat: Search path

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TopHat: Search path

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Mapping IP to AS

• TopHat Server can:

• Translate any traceroute@home hop results with its correspondent ASs

• Store ASs information related to IP: (AS, BGP Prefix, Registry, AS Name)

• Query Team Cymru Whois server (GetIP2AS)

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TopHat: As-Level results 2

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Future

• OneLab partners will have full access to TopHat.

• TopHat will run as a continuous service for PlanetLab users.

• New users and contributors are welcome.

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Conclusion

Thank you for your attention

Questions …